<template>
  <h2>当前求和为：{{ sum }}</h2>
  <button @click="sum++">点我</button>
  <hr>
  <h2>当前点击时鼠标的坐标为：x：{{ point.x }}，y：{{ point.y }}</h2>
</template>

<script>
import {ref} from 'vue'
import usePoint from "@/hooks/usePoint";

export default {

  setup() {
    // 数据
    let sum = ref(0)

    let point = usePoint

    // 返回一个对象
    return {
      sum,point
    }
  }
}
</script>

<style scoped>

</style>
